hashmap.ha


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def HASHMAP_SIZE: size = 1 << 15;

type hashmap = [HASHMAP_SIZE](size, stat);

fn getitem(map: *hashmap, hash: size) stat = {
	let i = hash & (HASHMAP_SIZE - 1);
	for (true) {
		if (map[i].0 == 0 && map[i].1.count == 0)
			break;
		if (map[i].0 == hash)
			return map[i].1;
		i = (i + 1) & (HASHMAP_SIZE - 1);
	};
	return stat { ... };
};

fn setitem(map: *hashmap, hash: size, value: stat) void = {
	let i = hash & (HASHMAP_SIZE - 1);
	for (true) {
		if (map[i].0 == 0 && map[i].1.count == 0)
			break;
		if (map[i].0 == hash) {
			map[i].1 = value;
			return;
		};
		i = (i + 1) & (HASHMAP_SIZE - 1);
	};
	map[i] = (hash, value);
};